The document outlines the key differences between narrative, expository, and persuasive writing. It states that a narrative is a fictional or non-fictional story meant to entertain with elements like a beginning, middle and end, while an expository essay is a non-fiction, factual composition meant to inform with an introduction, thesis, body and conclusion. It provides examples of narrative genres like novels and expository forms like magazine articles. The document also notes that an expository piece is unbiased and factual, while a persuasive work aims to convince through opinions, counterarguments and an enthusiastic tone.